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Tube Substitutions for:
 STV280/40
 Voltage Regulator, cascade
TypeSubstitutesBase Diagram
STV280/40OSW3806, StR280/40, PTT3001, RT280/40, CV1068, 3806_OSW, AW4, VS68
Web ReferencesSTV280/40 (Marconi) @ Franks Electron Tubes?
STV280/40 @ Radiomuseum


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